Patents for Fred W. Wappat |
Patents 1 -
10
of 10
|
Number | Date | Patentee | Title | Type |
1,170,371 | Feb. 01, 1916 | F.W. Wappat | Reversing mechanism | washing machines |
1,399,173 | Dec. 06, 1921 | F.W. Wappat | Shock-absorber for reversing mechanism | washing machines |
1,477,562 | Dec. 18, 1923 | F.W. Wappat, R.L. Hibbard | Gear cutting | gear making machines |
1,602,138 | Oct. 05, 1926 | F.W. Wappat | Washing machine | |
1,623,290 | Apr. 05, 1927 | F.W. Wappat | Portable saw | circular saws |
1,718,324 | Jun. 25, 1929 | F.W. Wappat | Mortising machine | mortising machines |
1,830,579 | Nov. 03, 1931 | F.W. Wappat | Electric handsaw | handheld power tools |
1,830,580 | Nov. 03, 1931 | F.W. Wappat | Electric handsaw | handheld power tools |
1,929,662 | Oct. 10, 1933 | F.W. Wappat | Motor driven tool switch | handheld power tools |
2,014,541 | Sep. 17, 1935 | F.W. Wappat | Pressure regulating valve | steam valves |