Search the Insulator Patent Reference Library:

Build your search criteria. The patent must match all the values specified.
Select patent types: Utility   Design   Reissue
Patent number:
Year between: and
Patentee starting with:
Assigned To starting with:
Description containing:
Class:    Subclass:
Click Search when complete:
SELECT DISTINCT patent.*, YEAR(date) as year FROM patent LEFT JOIN name ON name.patent = patent.patent AND name.type = patent.type WHERE (last_name = 'PHELPS') AND (first_name = 'Myron D.') ORDER BY date ASC, patent, type

Total of 2 patents found where: Last Name is 'PHELPS'; First Name is 'Myron D.';

View a patent by clicking on the patent number. You can sort by any of the columns by clicking on the column name.

T / S Patent Date Description Patentee Category Assigned To
U 122,055 December 19, 1871 Improvement in Lightning Rods
Lightning rod made of a solid copper core covered with twisted iron wires
PHELPS, Myron D.
Lightning Rod  
U 159,961 February 16, 1875 Improvement in Lightning Rods
Improvement on patent 122,055 by using smaller wires in greater number to improve flexibility
PHELPS, Myron D.
Lightning Rod  

Total of 0.01 seconds