Gerald E. Sieren

AL Allis-Chalmers: 5 patents #6 of 232Top 3%

Overall (All Time): #1,065,381 of 4,157,543Top 30%

Patents All Time

Issued Patents All Time

Patent #	Title	Co-Inventors	Date
4506749	Underhood muffler for tractor	—	1985-03-26
D277861	Tractor	—	1985-03-05
4491191	Adjustable tractor grille shell	—	1985-01-01
4462611	Front end tractor weight assembly	—	1984-07-31
4458774	Side panel latch for engine hood	—	1984-07-10