If you find a patent number or patent date by this manufacturer that is not on this
list, please contact the Site Historian.
Key to Links for Patent Information
USPTO = U.S. Patent Office .
Images of the actual patent can be viewed on the U.S. Patent Office web site but
a special TIFF viewer must be installed with your browser in order properly work.
More information on how to configure your computer to view these patents can be
found at TIFF image Viewers
for Patent Images.
DATAMP = Directory of American Tool And
Machinery Patents . A sister site to VintageMachinery.org with information
on patents related to machinery and tools. A much easier user interface than the
USPTO's for finding information on machinery patents.
|
3,008,501
|
Nov. 14, 1961
|
Multiple vertical spindle woodworking machine and method of woodworking
|
Waldemar Hammer |
Santa Rosa, CA |
This machine and method are both primarily intended for drawer making. The machine is a multiple-spindle shaper with a table having multiple surfaces, all arranged so that the various operations of cutting drawer parts can all be completed in a single setup. |
|
3,289,714
|
Dec. 06, 1966
|
Multiple vertical spindle woodworking machine and method of woodworking
|
Waldemar Hammer |
Santa Rosa, CA |
This patent is a continuation of patent 3,008,501; see that patent for more information. |
|
3,710,833
|
Jan. 16, 1973
|
Power driven shaper apparatus
|
Ivan E. Hammer |
Santa Rosa, CA |
|
|
|
|
Power driven shaper apparatus
|
Waldemar Hammer |
Santa Rosa, CA |
|
|
3,991,991
|
Nov. 16, 1976
|
Quick-adjustable fence unit for a woodworking table
|
Waldemar Hammer |
Santa Rosa, CA |
|
|
1,036,907
|
Aug. 22, 1978
|
Quick-adjustable fence unit for a woodworking table
|
Waldemar Hammer |
Santa Rosa, CA |
|